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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
28 Jul 1997 19:20:24 yearsecs  18040824
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.82  139.15  -51.95   84.93
    1.00  -66.26  154.15  -52.02   96.11
    2.00  -67.28  169.15  -52.11  106.57
    3.00  -68.80  184.15  -53.16  116.65
    4.00  -68.53  199.15  -52.96  126.12
    5.00  -69.28  214.15  -54.35  135.43
    6.00  -69.39  229.15  -55.64  144.80
    7.00  -69.97  244.15  -57.80  153.93
    8.00  -71.30  259.15  -60.99  162.18
    9.00  -72.18  274.15  -64.12  170.27
   10.00  -72.78  289.15  -67.35  178.31
   11.00  -71.71  304.15  -69.71  189.81
   12.00  -71.14  319.15  -72.84  201.72
   13.00  -70.94  334.15  -76.48  215.05
   14.00  -71.07  349.15  -80.38  232.01
   15.00  -71.49    4.15  -84.11  260.09
   16.00  -71.95   19.15  -85.67  319.81
   17.00  -71.95   34.15  -82.79    6.84
   18.00  -72.00   49.15  -78.69   28.45
   19.00  -71.31   64.15  -73.92   39.90
   20.00  -70.49   79.15  -69.21   49.56
   21.00  -69.70   94.15  -64.81   58.96
   22.00  -67.78  109.15  -59.69   66.70
   23.00  -66.04  124.15  -55.23   75.40
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.82  139.15  -57.06   88.78
    1.00  -71.26  154.15  -57.07   99.03
    2.00  -72.28  169.15  -57.15  108.47
    3.00  -78.06  184.15  -62.55  118.43
    4.00  -80.08  199.15  -64.62  125.34
    5.00  -80.58  214.15  -65.50  131.46
    6.00  -79.99  229.15  -65.69  138.09
    7.00  -79.08  244.15  -66.03  145.49
    8.00  -79.17  259.15  -67.69  151.76
    9.00  -79.20  274.15  -69.63  157.81
   10.00  -79.01  289.15  -71.74  164.02
   11.00  -79.11  304.15  -74.32  168.80
   12.00  -79.29  319.15  -77.12  171.99
   13.00  -78.94  334.15  -79.97  175.86
   14.00  -78.57  349.15  -83.03  176.96
   15.00  -78.18    4.15  -86.13  167.58
   16.00  -77.75   19.15  -87.75  106.22
   17.00  -77.27   34.15  -85.09   62.16
   18.00  -78.14   49.15  -81.45   67.34
   19.00  -78.06   64.15  -77.99   68.83
   20.00  -77.52   79.15  -74.42   71.15
   21.00  -75.71   94.15  -70.02   72.11
   22.00  -72.78  109.15  -64.53   74.20
   23.00  -71.04  124.15  -60.28   80.75
</PRE>


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